diff --git a/arch/arm/boot/dts/rk3128h-box.dtsi b/arch/arm/boot/dts/rk3128h-box.dtsi
index cac444ca027a..44a077469fb2 100644
--- a/arch/arm/boot/dts/rk3128h-box.dtsi
+++ b/arch/arm/boot/dts/rk3128h-box.dtsi
@@ -208,6 +208,7 @@ vdd_arm: vdd-arm-regulator {
 		compatible = "pwm-regulator";
 		rockchip,pwm_id = <1>;
 		regulator-init-microvolt = <1200000>;
+		regulator-early-min-microvolt = <1200000>;
 		pwms = <&pwm1 0 5000 1>;
 		regulator-name = "vdd_arm";
 		regulator-min-microvolt = <950000>;